7n-7(9n+10)=-686

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Solution for 7n-7(9n+10)=-686 equation:


7n-7(9n+10)=-686

We simplify the equation to the form, which is simple to understand 
7n-7(9n+10)=-686

Reorder the terms in parentheses
7n+(-63n-70)=-686

Remove unnecessary parentheses
+7n-63n-70=-686

We move all terms containing n to the left and all other terms to the right. 
+7n-63n=-686+70

We simplify left and right side of the equation. 
-56n=-616

We divide both sides of the equation by -56 to get n. 
n=11

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